716
FZHW60 PHFO 131509
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
509 AM HST Sun Jul 13 2025

Hawaiian offshore waters beyond 40 nautical miles out to 240
nautical miles including the portion of the Papahanaumokuakea
Marine National Monument east of French Frigate Shoals

Seas given as significant wave height, which is the average height
of the highest 1/3 of the waves. Individual waves may be more than
twice the significant wave height.

PHZ105-132245-
509 AM HST Sun Jul 13 2025

.Synopsis for the Hawaiian offshore waters...
The high pressure ridge will weaken N of the Hawaiian Islands
through Monday. The ridge will strengthen from Tuesday onward.

$$

PHZ180-132245-
Hawaiian Offshore Waters-
509 AM HST Sun Jul 13 2025

.TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. Isolated
thunderstorms NW Half.
.TONIGHT AND MONDAY...E winds 10 to 20 kt. Seas 5 to 7 ft.
Isolated thunderstorms NW Half.
.MONDAY NIGHT THROUGH THURSDAY...E winds 10 to 20 kt. Seas 5 to 7
ft.

$$